Home / 3,891.73-5,376.44-2,550.52

Finding the Fourth Proportional to 3,891.73, 5,376.44 and 2,550.52

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Solution

The fourth proportional to 3,891.73, 5,376.44 and 2,550.52 is: 3,523.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,891.73 : 5,376.44 = 2,550.52 : x
  2. Step 2: Convert to fraction form
    3,891.73/5,376.44 = 2,550.52/x
  3. Step 3: Cross multiply
    3,891.73x = 5,376.44 × 2,550.52
  4. Step 4: Simplify right side
    3,891.73x = 13,712,726.58
  5. Step 5: Solve for x
    x = 13,712,726.58/3,891.73
  6. Step 6: Final answer
    x = 3,523.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.